A.between 8 and 10 years of age,
<span>C.between 10 and 12 years of age
</span>
Answer:
a, also there is a calculator on google for this, if you have any more!
Step-by-step explanation:
Answer:
45:18:36
Step-by-step explanation:

substitute x back into 5x:2x:4x
Therefore, 99 in the ratio of 5:2:4...
45:18:36